Results 191 to 200 of about 10,823 (238)

Nb2C‐Reinforced Hydrogel Microneedle as Dual ROS‐Scavenging Platform to Promote Diabetic Wound Healing

Advanced Healthcare Materials, EarlyView.
An advanced microneedle patch integrating niobium carbide nanosheets and curcumin is engineered for diabetic wound healing. The system enables dual ROS scavenging and NIR‐enhanced antimicrobial activity, effectively rebalancing the oxidative microenvironment, promoting macrophage repolarization and angiogenesis, and accelerating full‐thickness wound ...
Zhi Zheng, Heyan Huang, Xiangru Chen, Jie Fu, Zhiwei Sun, Mengjuan Tao, Jianwei Mao, Fei Zhang, Zhou Wan, Yuan Li, Dingan Wu, Chuchao Zhou, Yanqing Yang   +12 more
wiley   +1 more source

Controllable Dynamic Mechanical Cell Stimulation using Magnetically Actuated Artificial Cilia

Advanced Healthcare Materials, EarlyView.
This paper introduces a platform based on magnetic artificial cilia for providing controllable dynamic mechanical stimulation to single cells, suitable for investigating large cell populations and enabling live cell imaging. Proof‐of‐principle experiments show that cell morphology is strongly influenced by the artificial cilia, that cellular forces can
Roel Kooi, Tanveer Ul Islam, Oscar M.J.A. Stassen, Naomie Amsing, Jan de Boer, Jaap M.J. den Toonder   +5 more
wiley   +1 more source

Biofilm‐Antagonist Ginger‐Based 3D‐Printable Photoresins for Complex Implant Designs Exhibiting Advanced Multifunctional Biomedical Applications

Advanced Materials, EarlyView.
This work offers unique Ginger‐based 3D‐printable resins that can print customizable high‐resolution complex designs. The customizable printing backbone of Zingerol prints also mimics various human bones' strength. Acquisition of in‐vivo biocompatibility in rat model with no severe inflammatory response, along with in‐vitro antioxidant and ex‐vivo anti‐
Simran Jindal, Majd Bisharat, Bassma Khamaisi, Krishanu Ghosal, Eid Nassar‐Marjiya, Qi Wu, Shadi Daoud, Idan Redenski, Samer Srouji, Shady Farah   +9 more
wiley   +1 more source

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

Advanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong, You Zhou, Qingxiu Li, Wenyu Zhao, Sunyingyue Geng, Hangfei Li, Yan‐Bing Leng, Shirui Zhu, Guanglong Ding, Yongbiao Zhai, Ziyu Lv, Ye Zhou, Su‐Ting Han   +12 more
wiley   +1 more source

Mixed‐Metal Promotion in a Manganese‐Molybdenum Oxynitride as Catalyst to Integrate C─C and C─N Coupling Reactions for the Direct Synthesis of Acetonitrile from Syngas and Ammonia

Advanced Materials, EarlyView.
Transition metal oxy/carbo‐nitrides show great promise as catalysts for sustainable processes. A Mn‐Mo mixed‐metal oxynitride attains remarkable performance for the direct synthesis of acetonitrile, an important commodity chemical, via sequential C─N and C─C coupling from syngas (C1) and ammonia (N1) feedstocks.
M. Elena Martínez‐Monje, Wilson Henao, Tania Rodenas, Patricia Concepción, Virginia Pérez Dieste, Alexander Missyul, Giovanni Agostini, Gonzalo Prieto   +7 more
wiley   +1 more source

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Inductors and Transformers

2020
These take us into the realms of magnetics. Starting with the magnetic effect of an electric current, we derive an equation for the inductance of a solenoid and then to a consideration of B-H loops, magnetic domains, the magnetic circuit and the use of an air gap.
openaire   +1 more source

Micro-Inductors and Transformers

IEEE Translation Journal on Magnetics in Japan, 1994
Recently, many planar microdevices have been proposed, including planar bulk inductors, thin-film inductors, and thin-film transformers. In this paper, the high-frequency operation of thin-film microinductors and microtransformers prepared by photolithography techniques is investigated. Features such as the coil structure and resistivity, the structure
openaire   +1 more source

Modeling of inductors and transformers

2001 IEEE MTT-S International Microwave Sympsoium Digest (Cat. No.01CH37157), 2002
This paper deals with modeling of spiral inductors and transformers. A lumped element approach is used to represent the spirals on a turn-by-turn basis. A previously reported approach for modeling of substrate eddy currents is employed and a new approach for modeling of current crowding effects is introduced.
S.R. Kythakyapuzha, W.B. Kuhn
openaire   +1 more source

Transformers, Inductors and Filters

Proceedings of the IRE, 1962
Transformers, inductors and filters have continually played important roles throughout the field of electronics. Relatively crude electromagnetic devices were employed in early telephone and radio communication systems and today their vastly improved descendants are still found in most electronic systems. The sizes of electronic power transformers have
openaire   +1 more source

Multi-resonant microfabricated inductors and transformers

2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.04CH37551), 2004
This paper introduces (1) a family of multi-resonant passive components with harmonically related impedance nulls and maxima, (2) board- and wafer-scale construction techniques for such structures, and (3) circuit topologies that exploit the harmonically related impedance extreme they provide.
J. Phinney, J.H. Lang, D.J. Perreault
openaire   +1 more source